pio_spi.h (spi sample)

Outline

#define _PIO_SPI_H

#include "hardware/pio.h"

#include "spi.pio.h"

pio_spi_inst

pio_spi_write8_blocking(const pio_spi_inst_t *, const uint8_t *, size_t);

pio_spi_read8_blocking(const pio_spi_inst_t *, uint8_t *, size_t);

pio_spi_write8_read8_blocking(const pio_spi_inst_t *, uint8_t *, uint8_t *, size_t);

Files

SourceVuRaspberry Pi Pico SDK and Examplesspi samplepio_spi.h

/** * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef _PIO_SPI_H #define _PIO_SPI_H #include "hardware/pio.h" #include "spi.pio.h" typedef struct pio_spi_inst { PIO pio; uint sm; uint cs_pin; } pio_spi_inst_t; void pio_spi_write8_blocking(const pio_spi_inst_t *spi, const uint8_t *src, size_t len); void pio_spi_read8_blocking(const pio_spi_inst_t *spi, uint8_t *dst, size_t len); void pio_spi_write8_read8_blocking(const pio_spi_inst_t *spi, uint8_t *src, uint8_t *dst, size_t len); #endif

Details